5fb2797f23
The current values for PrivateGlobalPrefix and PrivateLabelPrefix (@@ and @ respectively) are, in hindsight, poor choices for multiple reasons: First, there exist externally visible routines from the language environment that begin with @@. These functions are certainly not local/private by any means and they should not share a prefix with private globals. Secondly, both private globals and private labels should be handled the same way by GOFF, so it doesn't make much sense for them to have separate prefixes. GOFF remains the only file format where these are different and there is no reason for that to be the case
42 lines
1.3 KiB
LLVM
42 lines
1.3 KiB
LLVM
; RUN: llc < %s -mtriple=s390x-none-zos -mcpu=z10 | FileCheck %s
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;
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; Ensures that landingpad instructions use the right Exception Pointer
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; and Exception Selector registers, and that the exception table is emitted.
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declare void @callee()
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declare void @passeh(ptr, i32) noreturn
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declare i32 @__zos_cxx_personality_v2(...)
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define void @test1() uwtable personality ptr @__zos_cxx_personality_v2 {
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entry:
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%ehptr = alloca ptr, align 8
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%ehsel = alloca i32, align 8
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invoke void @callee() to label %done unwind label %lpad
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done:
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ret void
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; Match the return instruction.
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; CHECK: b 2(7)
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lpad:
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%0 = landingpad { ptr, i32 } cleanup
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; The Exception Pointer is %r1; the Exception Selector, %r2.
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; CHECK: L#BB{{[^%]*}} %lpad
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; CHECK-DAG: stg 1, {{.*}}
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; CHECK-DAG: st 2, {{.*}}
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%1 = extractvalue { ptr, i32 } %0, 0
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%2 = extractvalue { ptr, i32 } %0, 1
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store ptr %1, ptr %ehptr, align 8
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store i32 %2, ptr %ehsel, align 8
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call void @passeh(ptr %1, i32 %2)
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unreachable
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}
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; Check that offsets to the FD of the personality routine and LSDA are emitted in PPA1
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; CHECK: .byte 145 {{.*PPA1 Flags}}
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; CHECK: Bit 3: 1 = C++ EH block
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; TODO: Emit the value instead of a dummy value.
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; CHECK: Personality routine
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; CHECK: LSDA location
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; Check that the exception table is emitted into .lsda section.
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; CHECK: .section ".gcc_exception_table.test1"
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; CHECK: GCC_except_table0:
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